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1、钢结构设计原理第一,二章张建平（Principlesofsteelstructuredesign,first,secondchapters,ZhangJianping）PptdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.Chapter1Introduction1.1ofChina'ssteelstructureof1.chains:ancien
2、tbridge:theDaduRiverbridgelength100m,width2.8moftheearliestchainbridgeisLanJinQiaoTower:JadeSpringtempletower:1061SongDaijiannowHubei13storey17.5mkanrojitowerbuiltin1078inJiangsunowZhenjiangwasoriginally9layeroftheexisting4storey5m2.beforetheliberationofShanghaistadium193
3、4:builtthreehingedarchbridgespan42.6mQiantangRiver:builtin19373.aftertheliberationofWuhanYangtzeRiverbridgebridge:::1957built1155.5mNanjingYangtzeRiverBridge:builtin1968intheYangpubridge,Nanpubridge,NanjingYangtzeRiverBridgeisacable-stayedbridgeinJiujiang:YangtzeRiverbrid
4、gerailway,roadandthemaximumspanof216mWuhanYangtzeRiverbridgeWuhanYangtzeRiverbridgeisaroadandrailbridge,atotallengthof1670meters,thebridgepartofthe1156patients,atotalof514metersonbothsidesoftheapproach.Theupperhighwayhasawidthof18meters,andcanbeusedinparallelwithsixcars,w
5、ithsidewalksonbothsides,andadoubletrackrailwaybridgeonthelowerlevel.NanjingYangtzeRiverBridgeislocatedinthenorthwestofNanjing,ontheYangtzeRiver,connectingtheurbanareawiththePukoudistrict.ItisadoubledeckdoubletrackhighwayandrailwaydualpurposebridgedesignedandbuiltinChina.I
6、twascompletedinDecember29,1968.Theroadbridgeis4589meterslong,15meterswidedriveway,andcanaccommodatelarge-scalecarparallel4,bothsidesalsohavemorethan2meterswidesidewalks;thelowerrailbridge6772meterslong,14meterswide,doubletrack,twotrainscanbeopenedatthesametime.Theriveront
7、hebridgeis1577meterslong,fortherestofthebridgeapproach,approachroadtoadoptChinacharacteristicsofthedoublecurvedarchbridgeform.TheroadonbothsidesofthebridgerailingonQianzhao200castironreliefs,sidewalksand150ofmagnoliaflowershapedlamps,eachofthetwoNorthandsouthendsofthebrid
8、gehead70metershigh,baoneielevatorcanlookoutpasstherailwaybridge,roadandBridgebridgeheadonthe.Bef
